Jiangsu Huachen Transformer Co.,Ltd.
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Our integrated inverter & step-up box-type substation is an innovative, all-in-one power conversion system specifically designed for photovoltaic power generation systems, solving the long-standing pain points of high construction volume and significant power loss associated with traditional split-type DC inversion and AC step-up equipment. This purpose-built system integrates three core functional sections: low-voltage section, power transformation section, and high-voltage section, with an optimized layout that places the low-voltage and high-voltage sections in front-rear arrangement, and the transformation section on either side of the two. The low-voltage section collects DC power generated by PV modules and inverts it into AC power; the transformation section converts the low-voltage AC into high-voltage AC; the high-voltage section provides comprehensive protection and precision metering for the high-voltage power. This end-to-end system efficiently converts the electricity generated by PV modules into stable, grid-ready high-voltage electrical energy for utility and commercial project operators.
Unlike traditional solutions that require separate inverter and step-up transformer equipment, this system integrates full DC-to-high-voltage AC conversion in a single compact enclosure. This integrated design eliminates redundant equipment and lengthy connecting cables, cutting on-site construction and installation work by more than 70% compared to split-type setups, and greatly simplifying project commissioning workflows.
The short internal connection path between the inverter and transformer significantly reduces line loss and improves overall energy conversion efficiency, directly increasing the total energy yield of PV projects. The optimized component matching and integrated design also reduce idle power consumption, improving the long-term economic returns of the project for owners and developers.
The optimized spatial arrangement of the three core sections delivers an extremely compact footprint, reducing the land occupation of the power conversion system by up to 50% compared to traditional split-type solutions. This makes the integrated inverter & step-up box-type substation ideal for projects with limited land availability and strict space constraints.
Parameter | Specification |
|---|---|
Rated DC Input Voltage | 1000V - 1500V DC |
Rated AC Output Voltage | 10kV - 35kV AC |
Rated Capacity Range | 1MW - 5MW |
Maximum Inversion Efficiency | 99.2% |
Enclosure Protection Grade | IP55 - IP66 |
Cooling Method | Intelligent forced air cooling |
Number of DC Input MPPT Circuits | 12 - 24 channels (customizable) |
Metering Accuracy | 0.2S class |
Our integrated inverter & step-up box-type substation is purpose-built for photovoltaic power generation projects, with core application scenarios including utility-scale ground-mounted solar PV farms, commercial and industrial rooftop distributed PV projects, agrivoltaic and fishery-solar complementary PV projects, off-grid and micro-grid solar power systems, and distributed PV projects with strict land use limitations.
The standard system is designed for stable operation in ambient temperatures ranging from -25℃ to +50℃, altitude up to 3000m, and relative humidity up to 95% (non-condensing). We provide full-range customization solutions to match unique project requirements, including custom capacity and voltage grade configuration, adjustable number of MPPT input circuits to match different PV module layouts, enhanced anti-corrosion and anti-moisture design for coastal and high-humidity environments, intelligent SCADA monitoring system integration, and compliance with regional grid connection standards and certification requirements for global PV projects.
Huachen is a specialized provider of advanced PV power conversion and grid connection solutions, with deep expertise in integrated inverter and step-up technology for solar projects. We deliver end-to-end support for PV project developers and EPC contractors, from initial system design and custom engineering to factory prefabrication, full-load testing, on-site commissioning, and lifetime after-sales service. Every integrated inverter & step-up box-type substation we manufacture undergoes rigorous quality and performance testing before delivery, ensuring full compliance with international IEC, GB, and regional industry standards. Our technical team works closely with project stakeholders to deliver tailored solutions that lower total project cost, shorten construction cycles, and maximize long-term project returns.
The integrated design cuts on-site construction, installation, and commissioning labor costs, reduces cable material expenses, lowers land occupation costs, and minimizes long-term O&M costs, delivering a lower total cost of ownership over the project lifecycle.
Our standard system delivers a maximum inversion efficiency of up to 99.2%, with a European efficiency rating of up to 98.8%, ensuring optimal energy harvest across varying solar irradiance conditions.
Yes, we can fully customize the protection functions, grid connection logic, and certification compliance of the system to meet the grid standards and requirements of target markets worldwide.
Ready to maximize the energy yield and economic returns of your PV project with our high-efficiency integrated inverter & step-up box-type substation? Contact our technical sales team today at +86-15852118166 or send your detailed project specifications to baojia@hcbyq.com. We will provide a free, detailed, project-specific quote and customized solution proposal within 24 working hours.
